000 00240nam a2200085Ia 4500
008 180131b1982 xxu||||| |||| 00| 0 eng d
080 _a
_b666.97 ROP.82
100 _aRopke, John C
245 _aConcrete Problems; Causes And Cures
260 _a
_bMcGraw-Hill Book Company
_c1982
999 _c49461
_d49461